# Python API MLServer can be installed as a Python package, which exposes a public framework which can be used to build [custom inference runtimes](../../user-guide/custom) and [codecs](../../user-guide/content-type). Below, you can find the main reference for the Python API exposed by the MLServer framework. ```{toctree} :titlesonly: ./model.md ./types.md ./codecs.md ./metrics.md ```